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98509-03-6

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98509-03-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98509-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,0 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98509-03:
(7*9)+(6*8)+(5*5)+(4*0)+(3*9)+(2*0)+(1*3)=166
166 % 10 = 6
So 98509-03-6 is a valid CAS Registry Number.

98509-03-6Relevant articles and documents

Julia olefination as a general route to phenyl (α-fluoro)vinyl sulfones

He, Maggie,Ghosh, Arun K.,Zajc, Barbara

experimental part, p. 999 - 1004 (2009/04/04)

Mild and efficient synthesis of phenyl (α-fluoro)vinyl sulfones via condensation of aldehydes and a ketone with a novel benzothiazolyl based bis-sulfone reagent is reported and this proceeds with moderate to good Z-stereoselectivity. Georg Thieme Verlag Stuttgart.

A Novel and Efficient Synthesis of Fluoromethyl Phenyl Sulphone and Its Use as a Fluoromethyl Wittig Equivalent

Inbasekaran, Muthiah,Peet, Norton P.,McCarthy James R.,LeTourneau, Michael E.

, p. 678 - 679 (2007/10/02)

A new synthesis of fluoromethyl phenyl sulphone (2) and the reaction of its conjugate base (3) with carbonyl compounds provides β-fluoro-alcohols (5), which are utilized to prepare terminal vinyl fluorides (8) via α-fluoro-α,β-unsaturated sulphones (6).

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